======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '292'
                                          'artist'  'In This Moment'
                                     'text_people'  ''
                                         'release'  'Black Widow'
                                           'title'  'The Fighter'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['female fronted metal', 'alternative metal', 'female vocalists', 'metal', "
 "'melodic metalcore', 'metalcore']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '15'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '142'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Black Widow'
'TBPM' (BPM (beats per minute))                     '142'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014-11-17'
'TIT2' (Title/songname/content description)         'The Fighter'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'In This Moment'
'TPE2' (Band/orchestra/accompaniment)               'In This Moment'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Roadrunner Records'
'TRCK' (Track number/Position in set)               '9/15'
'TSO2'                                              'In This Moment'
'TSOP' (Performer sort order)                       'In This Moment'
'TXXX:Artists'                                      'In This Moment'
'TXXX:BARCODE'                                      '075678671326'
'TXXX:MusicBrainz Album Artist Id'                  '29266b3d-b5ae-4d09-b721-326246adf68f'
'TXXX:MusicBrainz Album Id'                         'd7012a23-29b9-47a7-ab31-3bd5f03adf30'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '29266b3d-b5ae-4d09-b721-326246adf68f'
'TXXX:MusicBrainz Release Group Id'                 'ec5e0f86-f38d-465b-ad7c-70d38aadac6a'
'TXXX:MusicBrainz Release Track Id'                 'd6b21434-284f-4abf-857f-82cda7e3c13f'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['female fronted metal',
 'alternative metal',
 'female vocalists',
 'metal',
 'melodic metalcore',
 'metalcore']
'TXXX:originalyear'                                 '2014'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.322922'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fb79fabe-8501-433e-8736-d79f5ac9de6a')

========================== row from database ==========================
                                              'id'  1215243
                                            'path'  /data/Music/Bulk/00dwimp/Ningen Isu/2014 - Black Widow (Deluxe Edition)/09 The Fighter.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  292
                                           'genre'  eid-metal
                                        'filesize'  11741999
                                           'mtime'  1620301532
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Ningen Isu 2014 (Deluxe Edition) 09 eid metal
                                      'tag_artist'  In This Moment
                                     'tag_release'  Black Widow
                                       'tag_title'  The Fighter
                                             'bpm'  142.0
                                    'search_title'  'fighter':2 'the':1
                                   'search_artist'  'in':1 'moment':3 'this':2
                                  'search_release'  'black':1 'widow':2
                                     'search_rest'  '00dwimp':1 '2014':4 'deluxe':5,6 'edition':7,8 'eid':9 'isu':3 'metal':10 'ningen':2
                                    'search_combo'  '00dwimp':8 '2014':11 'black':6C 'deluxe':12,13 'edition':14,15 'eid':16 'fighter':2A 'in':3B 'isu':10 'metal':17 'moment':5B 'ningen':9 'the':1A 'this':4B 'widow':7C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['female fronted metal', 'alternative metal', 'female vocalists', 'metal', 'melodic metalcore', 'metalcore']
                                        'tag_date'  2014
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301532.3640044  (2021-05-06 13:45:32)
                             'size'  11741999